Related Program: NatureNotes The Caterpillar and the Wasps By Rudy Mancke • Sep 20, 2017 Related Program: NatureNotes TweetShareGoogle+Email View Slideshow 1 of 2 The projections on a Spiny Oak-Slug caterpillar will sting, so, don't touch.. Marcia Cirillo [CC BY-NC 2.0] via Flickr View Slideshow 2 of 2 Braconid wasp pupae on a Tomato Hornworm. Bev Wagar, [CC BY 2.0] A listener finds a caterpillar covered with fuzzy, white "stuff." Listen Listening... / 1:00 NatureNotes is a production of South Carolina Public Radio. Tags: NatureNotesNaturecaterpillarsSCETV AppTweetShareGoogle+EmailView the discussion thread. Related Content Crowned Slug Caterpillars By Rudy Mancke • Sep 12, 2017 Benny Mazur [CC BY 2.0] via Wikimedia Commons Don't try to touch any variety of slug caterpillars you may find. They sting!